Investment casting apparatus for jewelers



FIG. 1 is a perspective view of the investment casting apparatus for jewelers, showing my new design;

FIG. 2 is a top view of the apparatus, with the hose (of indefinite length) which is connected to an external source of vacuum being shown as broken off adjacent the apparatus;

FIG. 3 is a bottom view of the apparatus;

FIG. 4 is a front view of the apparatus;

FIG. 5 is a back view of the apparatus;

FIG. 6 is a right side view of the apparatus; and

FIG. 7 is a left side view of the apparatus. 

The ornamental design for an investment casting apparatus for jewelers, as shown and described. 